1. Spectral signatures can bedescribed using luminosity values indifferent spectral regions.UVBlueGreenRedNIRForest2829362756Water222319138Corn5358596071Pasture4039423262Assuming these signatures areinfluenced by atmospheric effects: is itpossible to separate the differentcategories based on the values in thistable? Which band (s) are the mostuseful for distinguishing between thedifferent classes in this table andwhy?

Yes, it is possible to separate the different categories based on the values in given table because…

Answered: 1. Spectral signatures can be described…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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WILL UPVOTE IF ALL ARE DONE! 3) At rest, hydrogen has a spectral line at 139.4 nm. If this line is observed at 111.2 nm for the star Sirius, how fast is Sirius moving in km/s? The speed of light is 3e5 km/s and retain any negative sign your answer may contain. 4) At rest, hydrogen has a spectral line at 125.7 nm. If this line is observed at 117.9 nm for the star Proxima, how fast is Proxima moving in km/s? The speed of light is 3e5 km/s and retain any negative sign your answer may contain.
16 Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars? (A) Detecting the shift of the star's position against the sky due to the planet's gravitational pull B Detecting the starlight reflected off the planet C Detecting a planet ejected from a binary star system D Detecting the infrared light emitted by the planet E Detecting the gravitational effect of an orbiting planet by looking for the Doppler shifts in the star's spectrum
Describe the plysical environment and processes to obtain the emission line spectra and absorption line spectra from the stars. Describe the physical environment and processes to obtain the emission line spectra and absorption line spectra from the stars. haha maintained a high
Black Body Radiation 1. Using the Kelvin Wavelength Graph below, what colour will the sun be if it is 5,778 degrees kelvin? P 6000 K 3000 K 1500 K 750 K 375 K infrared Wavelength (x 10° nm) Intensity ultraviolet visible 3.
Barnard's Star is the 2nd closest star to Sol (~ 6 light years). It is moving toward the Earth with a speed of 110 km/s. Calculate the blue shift of light from Barnard's star, defined by AX/X. OA: OB: OC: OD: OE: -3.668x10-4 -4.586x10-4 -5.732x10-4 -7.165x10-4 OF: OG: -8.956x10-4 -1.120x10-3 -1.399x10-3 OH: -1.749x10-3
3- Consider a binary star system in which the two stars are seen to be 1.50" apart. Determine the actual physical separation of those stars (in AU) if this binary system is located 9.50 1.y. from us.
The follow are the major categories of light (depending on your profession many of these can be divided up even more). Which of these light types has the largest wavelength? Question 6 options: Radio Microwave Infrared Visible Ultraviolet X-Ray γ{"version":"1.1","math":"<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>γ</mi></math>"}-Ray
using wiens law 600nm
4. The wavelength of a distant star is observed to be 656.8 nm. In the lab, a similar type of star is modeled and should emit a wavelength of 121.6 nm. Using this data calculate the red-shift parameter.
3. Name the 2 astronomers that discovered these relationships (star's luminosity, temperature, absolute magnitude and spectral class)
Analyze the multi-wavelength images below and answer the few questions that follows up : 1. Where do you see the higher energy phenomena? What are they? Are they visible in any image? Why?2. Where are the young stars? What colour do they have? Are they visible in any image? Why?3. Where are the old stars? What colour do they have? Are they visible in any image? Why?
A star that is moving toward Earth will a. have its spectral lines shifted to the red. b. have its spectral lines shifted to the blue. c. appear hotter than it actually is. d. appear cooler than it actually is. e. appear dimmer than it actually is.

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